... a natural edible pigment purified from gardenia seeds. Its main component, crocin, is a rare water soluble carotene. Gardenia Yellow ... regulation, such as GB2760-86, Gardenia Yellow can be applied to color beverage, wine and cake, etc, the utmost amount limit being 0 ... is satisfying. Except when Fe2+ exists, it remains stable with metal ions’ existence. Its performance of dyeing proteins is more ...